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Salt corrosion resisting cable insulation rubber for oceanic tidal power generation and preparation method thereof

A cable insulation and tidal technology, applied to rubber insulators, organic insulators, etc., can solve problems such as prone to failure, shortened service life, and increased engineering costs, and achieves excellent salt corrosion resistance, low equipment requirements, and simple and feasible preparation methods Effect

Inactive Publication Date: 2016-06-15
刘高志
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When sea wind power generation is reversed, it is easy to break down, shorten the service life, cause the cost of the project to increase or even be shelved

Method used

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  • Salt corrosion resisting cable insulation rubber for oceanic tidal power generation and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: Preparation of Salt Corrosion Resistant Cable Insulation Rubber

[0023] Raw material weight ratio:

[0024] EPDM rubber, 55 parts; butadiene rubber, 15 parts; polysulfide rubber, 10 parts; alkylphenol ethoxylates, 5 parts; pentaerythritol tetralaurate, 8 parts; methyl benzotriazole , 3 parts; sodium hexametaphosphate, 2 parts; polydimethylsiloxane, 2 parts; triallyl isocyanurate, 3 parts; 2-mercaptobenzimidazole, 1 part; A total of 4 parts of ester and propylparaben, the ratio of ethyl paraben and propylparaben by weight is 3:1.

[0025] Preparation:

[0026] Step S1, uniformly mixing EPDM rubber, butadiene rubber, and polysulfide rubber to obtain a main material, placing the main material in a single-screw extruder for blending, and granulating to obtain a base resin;

[0027] Step S2, open the internal mixer and preheat it to 50-55°C, then add the base resin obtained in step S1 for banburying, the banburying time is 4-6 minutes, and the mixture 1 is obt...

Embodiment 2

[0030] Example 2: Preparation of Salt Corrosion Resistant Cable Insulation Rubber

[0031] Raw material weight ratio:

[0032] EPDM rubber, 50 parts; Butadiene rubber, 10 parts; Polysulfide rubber, 5 parts; Alkylphenol ethoxylates, 4 parts; Pentaerythritol tetralaurate, 6 parts; , 2 parts; sodium hexametaphosphate, 1 part; polydimethylsiloxane, 1 part; triallyl isocyanurate, 2 parts; 2-mercaptobenzimidazole, 0.8 parts; There are 3 parts in total of ester and propylparaben, and the ratio by weight of ethylparaben and propylparaben is 2:1.

[0033] Preparation:

[0034] Step S1, uniformly mixing EPDM rubber, butadiene rubber, and polysulfide rubber to obtain a main material, placing the main material in a single-screw extruder for blending, and granulating to obtain a base resin;

[0035] Step S2, open the internal mixer and preheat it to 50-55°C, then add the base resin obtained in step S1 for banburying, the banburying time is 4-6 minutes, and the mixture 1 is obtained;

...

Embodiment 3

[0038] Example 3: Preparation of Salt Corrosion Resistant Cable Insulation Rubber

[0039] Raw material weight ratio:

[0040] EPDM rubber, 60 parts; butadiene rubber, 20 parts; polysulfide rubber, 15 parts; alkylphenol ethoxylates, 6 parts; pentaerythritol tetralaurate, 10 parts; methyl benzotriazole , 4 parts; sodium hexametaphosphate, 3 parts; polydimethylsiloxane, 3 parts; triallyl isocyanurate, 4 parts; 2-mercaptobenzimidazole, 1.2 parts; There are 5 parts in total of ester and propylparaben, and the ratio by weight of ethylparaben and propylparaben is 4:1.

[0041] Preparation:

[0042]Step S1, uniformly mixing EPDM rubber, butadiene rubber, and polysulfide rubber to obtain a main material, placing the main material in a single-screw extruder for blending, and granulating to obtain a base resin;

[0043] Step S2, open the internal mixer and preheat it to 50-55°C, then add the base resin obtained in step S1 for banburying, the banburying time is 4-6 minutes, and the mi...

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Abstract

The invention discloses salt corrosion resisting cable insulation rubber for oceanic tidal power generation and a preparation method thereof. The cable insulation rubber is prepared from, by weight, 50-60 parts of ethylene-propylene-diene monomer rubber, 10-20 parts of butadiene rubber, 5-15 parts of polysulfide rubber, 4-6 parts of alkylphenol polyoxyethylene, 6-10 parts of pentaerythritol tetralaurate, 2-4 parts of methylbenzotriazole, 1-3 parts of sodium hexametaphosphate, 1-3 parts of polydimethylsiloxane, 2-4 parts of triallyl isocyanurate, 0.8-1.2 parts of 2-mercapto benzimidazole and 3-5 parts of ethylparaben and propylparaben, wherein the weight ratio of ethylparaben to propylparaben is (2-4):1. The cable insulation rubber has the excellent salt corrosion resistance which is possibly related to the weight ratio of ethylparaben to propylparaben in the raw materials, and when the weight ratio of ethylparaben to propylparaben is (2-4):1, a prepared cable has the optimal salt corrosion resistance and is particularly suitable for being applied to an oceanic tidal power plant.

Description

technical field [0001] The invention relates to a marine tidal cable, in particular to a salt-rot-resistant cable insulating rubber for marine tidal wind power and a manufacturing method thereof. Background technique [0002] Large-scale use of tidal energy for power generation in the world began in the 1950s. In the 1960s and 1970s in my country, tidal power stations were built in many places along the coast, such as Shunde in Guangdong, Rushan in Shandong, Chongming in Shanghai, and Wenling in Zhejiang. The basic principle of a tidal power station is to use the energy of tidal waves to convert it into mechanical energy through a water turbine, and then the water turbine drives a generator to convert it into electrical energy. [0003] The use of tidal power generation can generally be divided into two types: one is to use the kinetic energy of tidal waves to generate power, that is, to use the flow velocity of rising and falling tides to directly impact the water turbine ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L9/00C08L81/04C08K13/02C08K5/103C08K5/3475C08K3/32C08K5/3492C08K5/134H01B3/28
CPCC08L23/16C08K2201/014C08L2203/202C08L2205/035H01B3/28C08L9/00C08L81/04C08K13/02C08K5/103C08K5/3475C08K2003/324C08K5/34924C08K5/1345
Inventor 刘高志
Owner 刘高志
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